import math

class MyMath:
    def A(self,x,y):
        return int(x) + int(y)

    def B(self,x,y):
        return int(x) - int(y)


    def C(self,x,y):
        return int(x) * int(y)


    def D(self,x,y):
        if x == 0:
            return False
        else:
            return int(x) / int(y)


    def E(self,x,y):
        return int(x) ** int(y)


    def F(self,x):
        return math.sqrt(int(x))


class Game:
    def Type(self,name):
        return f'{name}是游戏'

LOL = Game().Type('英雄联盟')
print(LOL)